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Python Code Samples

Easy snippets you can copy, study, and run in the browser editor.

2 matches
System design patterns easy

How to Build a Simple Service Discovery Registry in Python

A lightweight in-memory service registry class using a dict — register, deregister, and discover services with host, port, and version.

service-discovery registry dict
Python
class ServiceRegistry:
    def __init__(self):
        self._services = {}

    def register(self, name, host, port, version="1.0"):
        self._services[name] = {
            "host": host,
            "port": port,
            "version": version
        }

    def deregister(self, name):
        return self._servic…
13 0 Open
Microservices patterns easy

How to Build a Health Check Service Registry in Python

Build a minimal Python service registry that handles registration, deregistration, health checks, and service listing in one simple class.

microservices health-check service-discovery
Python
import random
import time


class ServiceRegistry:
    def __init__(self):
        self.services = {}

    def register(self, name, address):
        self.services[name] = {
            "address": address,
            "status": "healthy",
            "registered_at": time.time(),
            "checks": 0
        }
    …
13 0 Open

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PythonSkillset code samples are short, focused examples organised by topic and difficulty. Every snippet is server-rendered HTML — readable by search engines and easy to copy. Open any sample, read the notes, copy the code, then press Try in editor to run it in the browser with Pyodide.

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  2. Open a sample, read How it works, and copy the code block
  3. Run it in the IDE, tweak values, then take a related quiz or tutorial lesson

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Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.